var message = {'img_num_empty':'请上传身份证正反面照片','img_num_less':'请上传身份证正反面照片'};
(function( $ ){
    // 当domReady的时候开始初始化
    $(function() {
    	var IEBANBEN = navigator.appVersion;
    	var IE7 = IEBANBEN.search(/MSIE 7/i) != -1;
        var $wrap = $('#uploader'),
        	
        	//对应按钮
        	addImgBtn=0,
        	
        	//添加文件次数
        	addImgNum = -1,
        
        	errorState = false,
            // 图片容器
            $queue = $('#filelist'),
            
         // 没选择文件之前的内容。
           $placeHolder = $wrap.find( '.placeholder' ),

            // 状态栏，包括进度和控制按钮
            $statusBar = $wrap.find( '.statusBar' ),

            // 文件总体选择信息。
            $info = $statusBar.find( '.info' ),

            // 上传按钮
            $upload = $wrap.find( '.uploadBtn' ),

            $progress = $statusBar.find( '.progress' ).hide(),

            // 添加的文件数量
            fileCount = 0,

            // 添加的文件总大小
            fileSize = 0,

            // 优化retina, 在retina下这个值是2
            ratio = window.devicePixelRatio || 1,

            // 缩略图大小
            thumbnailWidth = 230 * ratio,
            thumbnailHeight = 150 * ratio,

            // 可能有pedding, ready, uploading, confirm, done.
            state = 'pedding',

            // 所有文件的进度信息，key为file id
            percentages = {},
            // 判断浏览器是否支持图片的base64
            isSupportBase64 = ( function() {
                var data = new Image();
                var support = true;
                data.onload = data.onerror = function() {
                    if( this.width != 1 || this.height != 1 ) {
                        support = false;
                    }
                }
                data.src = "";
                return support;
            } )(),

            // 检测是否已经安装flash，检测flash的版本
            flashVersion = ( function() {
                var version;

                try {
                    version = navigator.plugins[ 'Shockwave Flash' ];
                    version = version.description;
                } catch ( ex ) {
                    try {
                        version = new ActiveXObject('ShockwaveFlash.ShockwaveFlash')
                                .GetVariable('$version');
                    } catch ( ex2 ) {
                        version = '0.0';
                    }
                }
                version = version.match( /\d+/g );
                return parseFloat( version[ 0 ] + '.' + version[ 1 ], 10 );
            } )(),

            supportTransition = (function(){
                var s = document.createElement('p').style,
                    r = 'transition' in s ||
                            'WebkitTransition' in s ||
                            'MozTransition' in s ||
                            'msTransition' in s ||
                            'OTransition' in s;
                s = null;
                return r;
            })(),

            // WebUploader实例
            uploader;

        if ( !WebUploader.Uploader.support('flash') && WebUploader.browser.ie ) {

            // flash 安装了但是版本过低。
            if (flashVersion) {
                (function(container) {
                    window['expressinstallcallback'] = function( state ) {
                        switch(state) {
                            case 'Download.Cancelled':
                                alert('您取消了更新！')
                                break;

                            case 'Download.Failed':
                                alert('安装失败')
                                break;

                            default:
                                alert('安装已成功，请刷新！');
                                break;
                        }
                        delete window['expressinstallcallback'];
                    };

                    var swf = swfExpressInstallUrl;
                    // insert flash object
                    var html = '<object type="application/' +
                            'x-shockwave-flash" data="' +  swf + '" ';

                    if (WebUploader.browser.ie) {
                        html += 'classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';
                    }

                    html += 'width="100%" height="100%" style="outline:0">'  +
                        '<param name="movie" value="' + swf + '" />' +
                        '<param name="wmode" value="transparent" />' +
                        '<param name="allowscriptaccess" value="always" />' +
                    '</object>';

                    container.html(html);

                })($wrap);

            // 压根就没有安转。
            } else {
                $wrap.html('<a href="http://www.adobe.com/go/getflashplayer" target="_blank" border="0"><img alt="get flash player" src="http://www.adobe.com/macromedia/style_guide/images/160x41_Get_Flash_Player.jpg" /></a>');
            }

            return;
        } else if (!WebUploader.Uploader.support()) {
            alert( 'Web Uploader 不支持您的浏览器！');
            return;
        }

        // 实例化
        uploader = WebUploader.create({
            pick: {
                id: '.add-img1,.add-img2',
                multiple:false
            },
            formData: {
                uid: 123
            },
            //dnd: '#dndArea',
            paste: '#uploader',
            swf: swfUploaderUrl,
            chunked: false,
            chunkSize: 512 * 1024,
            server: mallBase + '/member/toupload.htm',
            // 禁掉全局的拖拽功能。这样不会出现图片拖进页面的时候，把图片打开。
            //disableGlobalDnd: true,
            // 只允许选择图片文件。
            accept : {
                title: 'Images',
                extensions: 'gif,jpg,jpeg,png',
                mimeTypes: 'image/*'
            },
//            fileNumLimit: 2,
            fileSizeLimit: 10 * 1024 * 1024,    // 10 M
            fileSingleSizeLimit: 5 * 1024 * 1024    // 5 M
        });
        
     // 实例化
       
//        uploader.on('ready', function() {
//            window.uploader = uploader;
//        });

        // 当有文件添加进来时执行，负责view的创建
        function addFile( file ) {
        	
        	var $li = $('#filelist').find('.addimageed').eq(addImgBtn);
        	$li.attr('id',file.id);
        	$li.html('<p class="title">' + file.name + '</p>' +
                    '<p class="imgWrap"></p>'+
                    '<p class="progress"><span></span></p>');

            var $btns = $('<div class="file-panel">' +
                    '<span class="cancel">删除</span>' +
                    //'<span class="rotateRight">向右旋转</span>' +
                    //'<span class="rotateLeft">向左旋转</span>'+
                    '</div>').appendTo( $li ),
                    $prgress = $li.find('p.progress span'),
                $wrap = $li.find( 'p.imgWrap' ),
                $info = $('<p class="error"></p>'),

                showError = function( code ) {
                    switch( code ) {
                        case 'exceed_size':
                            text = '文件大小超出';
                            break;

                        case 'interrupt':
                            text = '上传暂停';
                            break;

                        default:
                            text = '上传失败，请重试';
                            break;
                    }
                    $info.text( text ).appendTo( $li );
            	};
                 if(IE7){
                 	$('.file-panel').css({"height":"30px","display":"block"});
                 }
            //$li.removeClass('addimageed');
            	
            if ( file.getStatus() === 'invalid' ) {
                showError( file.statusText );
            } else {
                // @todo lazyload
                $wrap.text( '预览中' );
                uploader.makeThumb( file, function( error, src ) {
                	
                	var img;
                    
                    if ( error ) {
                        $wrap.text( '不能预览' );
                        return;
                    }

                    if( isSupportBase64 ) {
                        img = $('<img src="'+src+'">');
                        $wrap.empty().append( img );
                        addImgNum = addImgNum+1;
                    } else {
                        $.ajax('../../server/preview.php', {
                            method: 'POST',
                            data: src,
                            dataType:'json'
                        }).done(function( response ) {
                            if (response.result) {
                                img = $('<img src="'+response.result+'">');
                                $wrap.empty().append( img );
                            } else {
                                $wrap.text("预览出错");
                            }
                        });
                    }
                }, thumbnailWidth, thumbnailHeight );

                percentages[ file.id ] = [ file.size, 0 ];
                file.rotation = 0;
            }

            file.on('statuschange', function( cur, prev ) {
                if ( prev === 'progress' ) {
                    $prgress.hide().width(0);
                } 

                // 成功
                if ( cur === 'error' || cur === 'invalid' ) {
                    showError( file.statusText );
                    percentages[ file.id ][ 1 ] = 1;
                } else if ( cur === 'interrupt' ) {
                    showError( 'interrupt' );
                } else if ( cur === 'queued' ) {
                    percentages[ file.id ][ 1 ] = 0;
                } else if ( cur === 'progress' ) {
                    $info.remove();
                    $prgress.css('display', 'block');
                } else if ( cur === 'complete' ) {
                    $li.append( '<span class="success"></span>' );
                }

                $li.removeClass( 'state-' + prev ).addClass( 'state-' + cur );
            });
           

            if (!IE7){
            	$li.on( 'mouseenter', function() {
                     $btns.css({height: 30+'px'});
                 });

                 $li.on( 'mouseleave', function() {
                     $btns.css({height: 0+'px'});
                 });
            }
    
            $btns.on( 'click', 'span', function() {
                var index = $(this).index(),
                    deg;

                switch ( index ) {
                    case 0:
                        /*uploader.removeFile( file );
                        errorState = false;*/
                    	var $li = $(this).parents('li'),
                    	   $thisIndex = $li.index(),
                    	   $liId = $li.attr('id');
                    	uploader.removeFile($liId,true);
                        $li.html('+');
                        errorState = false;
                        $('.addimageed').eq($thisIndex).html('+');
                        
                        return;

                    case 1:
                        file.rotation += 90;
                        break;

                    case 2:
                        file.rotation -= 90;
                        break;
                }

                if ( supportTransition ) {
                    deg = 'rotate(' + file.rotation + 'deg)';
                    $wrap.css({
                        '-webkit-transform': deg,
                        '-mos-transform': deg,
                        '-o-transform': deg,
                        'transform': deg
                    });
                } else {
                    $wrap.css( 'filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation='+ (~~((file.rotation/90)%4 + 4)%4) +')');
                }


            });

            //$li.appendTo( $queue );
        }

        // 负责view的销毁
        function removeFile( file ) {
            var $li = $('#'+file.id);

            delete percentages[ file.id ];
            updateTotalProgress();
            $li.off().find('.file-panel').off().end().html('+').removeAttr('id');
            var liNum = $('#filelist').children('li').length-1;
        }

        function updateTotalProgress() {
            var loaded = 0,
                total = 0,
                spans = $progress.children(),
                percent;

            $.each( percentages, function( k, v ) {
                total += v[ 0 ];
                loaded += v[ 0 ] * v[ 1 ];
            } );

            percent = total ? loaded / total : 0;


            spans.eq( 0 ).text( Math.round( percent * 100 ) + '%' );
            spans.eq( 1 ).css( 'width', Math.round( percent * 100 ) + '%' );
            
        }

        function setState( val ) {
            var file, stats;

            if ( val === state ) {
                return;
            }

            $upload.removeClass( 'state-' + state );
            $upload.addClass( 'state-' + val );
            state = val;

            switch ( state ) {
                case 'pedding':
                    uploader.refresh();
                    break;

                case 'ready':
                    uploader.refresh();
                    break;

                    stats = uploader.getStats();
                    if ( stats.successNum && !stats.uploadFailNum ) {
                        setState( 'finish' );
                        return;
                    }
                    break;
                case 'finish':
                    stats = uploader.getStats();
                    if ( stats.successNum ) {
                    	
                        $.ajax({
			                type: "POST",
			                url: '/member/toUploadCard.htm',
			                dataType: 'json',
			                data:$('#touploadImg').serialize(),
			                success:function(data){
			                	if(data.errorCode == '0'){
				                	ECar.easyDialog.open({
			        					 container : {
			        						 header : '提示',
			        						 content : '<div style="text-align:center">上传成功</div>'
			        					 },
			        					 callback: function(){window.location.href = "/member/mallOrderDetail/" + currentOrderId + ".htm";} 
			        				 });
				                	setTimeout(function(){
				                		window.location.href = "/member/mallOrderDetail/" + currentOrderId + ".htm";
				                	},2000)
			                	}else{
			                		ECar.easyDialog.open({
				        				 container : {
				        					 header : '提示',
				        					 content : '<div style="text-align:center">上传失败</div>'
				        				 }
				        			 }); 
			                	}
			                },
			                error:function(){
			                	 ECar.easyDialog.open({
			        				 container : {
			        					 header : '提示',
			        					 content : '<div style="text-align:center">上传失败</div>'
			        				 }
			        			 }); 
			                }
		            	});
		            	
                    } else {
                        // 没有成功的图片，重设
                        state = 'done';
                        location.reload();
                    }
                    break;
            }

            
        }

        uploader.onUploadProgress = function( file, percentage ) {
            var $li = $('#'+file.id),
                $percent = $li.find('.progress span');

            $percent.css( 'width', percentage * 100 + '%' );
            percentages[ file.id ][ 1 ] = percentage;
            updateTotalProgress();
        };

        uploader.onFileQueued = function( file ) {
            fileCount++;
            fileSize += file.size;
            addFile( file );
            updateTotalProgress();
        };

        uploader.onFileDequeued = function( file ) {
            fileCount--;
            fileSize -= file.size;

            if ( !fileCount ) {
                setState( 'pedding' );
            }

            removeFile( file );
            updateTotalProgress();

        };

        uploader.on( 'all', function( type ) {
            var stats;
            switch( type ) {
                case 'uploadFinished':
                    setState( 'confirm' );
                    break;

                case 'startUpload':
                    setState( 'uploading' );
                    break;

                case 'stopUpload':
                    setState( 'paused' );
                    break;

            }
        });
        
        //出现错误时的提示
        uploader.onError = function( code ) {
        	addImgNum = addImgNum+1;
        	var errorText = '';
        	
        	switch(code)
			{
				case 'Q_TYPE_DENIED':
				  errorText = '您上传的文件类型不匹配，请上传gif,jpg,jpeg,png的图片文件';
				  break;
				case 'Q_EXCEED_NUM_LIMIT':
				  errorText = '请上传身份证正反面照片';
				  break;
				case 'Q_EXCEED_SIZE_LIMIT':
				  errorText = '上传的文件总大小不能大于10M';
				  break;
				case 'F_EXCEED_SIZE':
				  errorText = '上传的单个文件大小不能大于5M';
				  break;
				case 'F_DUPLICATE':
				  errorText = '同一张图片只能上传一次';
				  break;
				default :
				  errorText = code;
				  break;
			}
        	
			ECar.easyDialog.open({
				 container : {
					 header : '上传出错',
					 content : '<div style="text-align:center">'+ errorText +'</div>'
				 }
			 });
        };
        
        //当文件上传出错时就停止上传
        uploader.onUploadError = function( file , reason) {
        	
        	errorState = true;
        	
        };
        //把上传成功的图片路径填充到隐藏域中
        uploader.onUploadSuccess = function( file , response ) {
    	 	var	textLen = file.id.split('').length,
    	 		newImgName = file.id.substr(textLen-1,1),
    	 		selLi = $('li[id^="WU_FILE_"]').length,
    	 		inputNum = $('#'+file.id).index();
    	 	
	         $('#img'+inputNum).val(response.result.imgUrl);
	          $('#img'+inputNum).attr("value",response.result.imgUrl);
	          if(selLi==2 && newImgName == addImgNum){
	 	             setState("finish");
	          }else if(selLi==1){
		 	         setState("finish");
	          }
        };
        
    	//验证表单
        function checkForm(){
        	if($('#filelist').find('img').length==0){
        		setState('img_num_empty');
        	}else if($('#filelist').find('img').length<2){
        		setState('img_num_less');
        	}else if($('#filelist').find('img').length==2){
        		setState('ready');
        	}
        };
      
        //绑定提交按钮 验证通过后执行
        $upload.on('click', function() {
        	
        	checkForm();
        	
            if ( state === 'ready' ) {
                uploader.upload();
            } else if( state === 'img_num_empty') {
            	uploader.stop();
            	ECar.easyDialog.open({
	   				 container : {
	   					 header : '提示',
	   					 content : '<div style="text-align:center">'+message[state]+'</div>'
	   				 }
	   			});
            } else if( state === 'img_num_less') {
            	uploader.stop();
            	ECar.easyDialog.open({
	   				 container : {
	   					 header : '提示',
	   					 content : '<div style="text-align:center">'+message[state]+'</div>'
	   				 }
	   			});
            }
            
            if(errorState){
            	uploader.retry();
            	errorState = false;
            }
            
        });

        $info.on( 'click', '.retry', function() {
            uploader.retry();
        } );

        $info.on( 'click', '.ignore', function() {
            alert( 'todo' );
        } );

        $upload.addClass( 'state-' + state );
        updateTotalProgress();
        
        //点击加号弹出选择图片窗口，通过触发选择图片按钮实现
        $(document).on('click','.add-img1,.add-img2',function(){
        	var index = $(this).index()-2;
        	addImgBtn=index;
        });
       
        var addimg1 = $('.add-img1'),
        	addimg2 = $('.add-img2');
        if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.match(/8./i)=="8.") 
        { 
        	addimg1.mouseenter(function(e){
        		addImgBtn = 0;
        	});
        	addimg2.mouseenter(function(e){
        		addImgBtn = 1;
        	})
        } 
        else if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.match(/9./i)=="9.") 
        { 
        	addimg1.mouseenter(function(e){
        		addImgBtn = 0;
        	});
        	addimg2.mouseenter(function(e){
        		addImgBtn = 1;
        	})
        } 
        else if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.match(/7./i)=="7.") 
        { 
        	addimg1.mouseenter(function(e){
        		addImgBtn = 0;
        	});
        	addimg2.mouseenter(function(e){
        		addImgBtn = 1;
        	})
        } 
    });

})( jQuery );